The couple - who met on the movie set of 2010's The Last Song - got engaged in May 2012. But there has been buzz for months that the relationship was on the rocks. In April, rumors surfaced that the wedding had been postponed.

Over the weekend, he was spotted at the Floyd Mayweather-Canelo Alvarez super welterweight title fight in Las Vegas, while she was busy unfollowing him on Twitter.

All of it comes amid an Us Weekly report that Hemsworth was texting January Jones, with whom he had been linked at an Oscar party in March. His rep called that report a "fabrication."

Meanwhile, Life & Stylehas a new story linking him to Mexican actress and singer Eiza Gonzalez on Sunday night at a Vegas nightclub.